VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Friday, October 10, 2025

Head-to-head

Financial Datasets vs Unusual Whales comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

Financial Datasets adds Financials, and Interest Rates coverage that Unusual Whales skips.

Unusual Whales includes Screeners, Options & Derivatives, Portfolio, Paper Trading, Dark Pool & Off-Exchange, Alerts, US Government Trades, Education, Calendar, and Dividends categories that Financial Datasets omits.

Financial Datasets highlights: REST API covering financial statements (income/balance/cash‑flow), financial metrics, stock prices (snapshot + minute/day/week/month/year), SEC filings lists & item extraction, insider trades, institutional ownership (13F), segmented revenues, company news with sentiment, interest‑rate snapshots, and crypto prices., US coverage only with 30,000+ tickers (active & delisted) and 30+ years of fundamentals; endpoint‑specific counts vary (e.g., prices/metrics pages show different tickers)., and Real‑time endpoints where applicable (e.g., stock price snapshot, Form 4 updates, news/press releases via RSS, interest‑rate announcements); historical series for backtesting..

Unusual Whales is known for: Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy., Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones., and Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals..

Unusual Whales offers mobile access, which Financial Datasets skips.

Financial Datasets logo

Financial Datasets

financialdatasets.ai

Developer‑first US‑equities API designed for AI agents and quant apps: real‑time quotes + minute/EOD historical prices, standardized financial statements & metrics, SEC filings (with section extraction), insider trades (Form 4), institutional ownership (13F), company news with sentiment, segmented financials, interest‑rate snapshots, and crypto prices. Auth via X‑API‑KEY; Developer plan includes 1,000 req/min; Pro supports unlimited and redistribution. Also offers a Model Context Protocol (MCP) server and community integrations (LangChain, Dify, n8n). US market only; options/indices/FX not yet covered.

Platforms

Web
API

Pricing

Free
Subscription
Other

Quick highlights

  • REST API covering financial statements (income/balance/cash‑flow), financial metrics, stock prices (snapshot + minute/day/week/month/year), SEC filings lists & item extraction, insider trades, institutional ownership (13F), segmented revenues, company news with sentiment, interest‑rate snapshots, and crypto prices.
  • US coverage only with 30,000+ tickers (active & delisted) and 30+ years of fundamentals; endpoint‑specific counts vary (e.g., prices/metrics pages show different tickers).
  • Real‑time endpoints where applicable (e.g., stock price snapshot, Form 4 updates, news/press releases via RSS, interest‑rate announcements); historical series for backtesting.
  • Simple auth (X‑API‑KEY) and straightforward request model; OpenAPI schema published; tickers lists available per endpoint (e.g., /prices/tickers).
  • AI/agent integrations: official remote MCP server (HTTP/SSE) for assistants; ecosystem plugs include LangChain toolkit, a Dify plugin, and example n8n workflows.

Community votes (overall)

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Unusual Whales logo

Unusual Whales

unusualwhales.com

Editor’s pick Hands-on review

Real-time options flow and dark-pool analytics built for active traders. Free plans view delayed data; paid tiers stream live flow, with annual plans unlocking data downloads. The public API is sold separately, and “Periscope” (market-wide SPX exposure) is available as an add-on.

Platforms

Web
Mobile
API

Pricing

Free
Subscription

Quick highlights

  • Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy.
  • Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones.
  • Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals.
  • Options Profit Calculator to model multi-leg strategies, Greeks, and payoff P/L.
  • Paper trading for both stocks and options to test ideas without risk.

Community votes (overall)

0% upvotes 0% downvotes
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Overlap

Shared focus areas

5 overlaps

Mutual strengths include Data APIs, News, and Insider Data plus 2 more areas.

Where they differ

Financial Datasets

Distinct strengths include:

  • REST API covering financial statements (income/balance/cash‑flow), financial metrics, stock prices (snapshot + minute/day/week/month/year), SEC filings lists & item extraction, insider trades, institutional ownership (13F), segmented revenues, company news with sentiment, interest‑rate snapshots, and crypto prices.
  • US coverage only with 30,000+ tickers (active & delisted) and 30+ years of fundamentals; endpoint‑specific counts vary (e.g., prices/metrics pages show different tickers).
  • Real‑time endpoints where applicable (e.g., stock price snapshot, Form 4 updates, news/press releases via RSS, interest‑rate announcements); historical series for backtesting.
  • Simple auth (X‑API‑KEY) and straightforward request model; OpenAPI schema published; tickers lists available per endpoint (e.g., /prices/tickers).

Unusual Whales

Distinct strengths include:

  • Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy.
  • Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones.
  • Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals.
  • Options Profit Calculator to model multi-leg strategies, Greeks, and payoff P/L.

Feature-by-feature breakdown

AttributeFinancial DatasetsUnusual Whales
Categories

Which research workflows each platform targets

Shared: Data APIs, News, Insider Data, 13F, APIs & SDKs

Unique: Financials, Interest Rates

Shared: Data APIs, News, Insider Data, 13F, APIs & SDKs

Unique: Screeners, Options & Derivatives, Portfolio, Paper Trading, Dark Pool & Off-Exchange, Alerts, US Government Trades, Education, Calendar, Dividends

Asset types

Supported asset classes and universes

Stocks, Cryptos

Stocks, ETFs, Options

Experience levels

Who each product is built for

Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web, API

Web, Mobile, API

Pricing

High-level pricing models

Free, Subscription, Other

Free, Subscription

Key features

Core capabilities called out by each vendor

Unique

  • REST API covering financial statements (income/balance/cash‑flow), financial metrics, stock prices (snapshot + minute/day/week/month/year), SEC filings lists & item extraction, insider trades, institutional ownership (13F), segmented revenues, company news with sentiment, interest‑rate snapshots, and crypto prices.
  • US coverage only with 30,000+ tickers (active & delisted) and 30+ years of fundamentals; endpoint‑specific counts vary (e.g., prices/metrics pages show different tickers).
  • Real‑time endpoints where applicable (e.g., stock price snapshot, Form 4 updates, news/press releases via RSS, interest‑rate announcements); historical series for backtesting.
  • Simple auth (X‑API‑KEY) and straightforward request model; OpenAPI schema published; tickers lists available per endpoint (e.g., /prices/tickers).
  • AI/agent integrations: official remote MCP server (HTTP/SSE) for assistants; ecosystem plugs include LangChain toolkit, a Dify plugin, and example n8n workflows.
  • Flexible pricing: subscriptions (Developer $200/mo; Pro $1,000/mo; Enterprise) plus pay‑as‑you‑go credits with per‑endpoint pricing and some free endpoints (e.g., company facts, earnings press releases, macro rates).

Unique

  • Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy.
  • Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones.
  • Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals.
  • Options Profit Calculator to model multi-leg strategies, Greeks, and payoff P/L.
  • Paper trading for both stocks and options to test ideas without risk.
  • Portfolio Manager with broker linking for IBKR, tastytrade, Fidelity, and Robinhood.
Tested

Verified by hands-on testing inside Find My Moat

Not yet

Yes

Editor pick

Featured inside curated shortlists

Standard listing

Highlighted

Frequently Asked Questions

Which workflows do Financial Datasets and Unusual Whales both support?

Both platforms cover Data APIs, News, Insider Data, 13F, and APIs & SDKs workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Financial Datasets and Unusual Whales require subscriptions?

Both Financial Datasets and Unusual Whales keep freemium access with optional paid upgrades, so you can trial each platform before committing.

Which tool has mobile access?

Unusual Whales ships a dedicated mobile experience, while Financial Datasets focuses on web or desktop access.

What unique strengths set the two platforms apart?

Financial Datasets differentiates itself with REST API covering financial statements (income/balance/cash‑flow), financial metrics, stock prices (snapshot + minute/day/week/month/year), SEC filings lists & item extraction, insider trades, institutional ownership (13F), segmented revenues, company news with sentiment, interest‑rate snapshots, and crypto prices., US coverage only with 30,000+ tickers (active & delisted) and 30+ years of fundamentals; endpoint‑specific counts vary (e.g., prices/metrics pages show different tickers)., and Real‑time endpoints where applicable (e.g., stock price snapshot, Form 4 updates, news/press releases via RSS, interest‑rate announcements); historical series for backtesting., whereas Unusual Whales stands out for Live options flow across all US options exchanges, with a status indicator so you know the feed is healthy., Dark-pool tape plus ‘Dark Pool Levels’ to surface recent prints and ticker-specific liquidity zones., and Options and stock screeners with filters for premium, volume, open interest, IV rank, and common technicals..

Curation & Accuracy

This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.